A driver fleeing police caused a head-on crash in the Webster-Posey Tube in Alameda early Tuesday morning, seriously injuring one person and blocking traffic for more than seven hours. According to Alameda police, the suspect was fleeing from a routine traffic stop when he entered the tube in the wrong direction, causing the head-on collision. The police have not released the name of the injured driver or of the suspect, who was apprehended fleeing from his car following the accident.